<template>
  <div>
    <el-dialog
      :title="form._id ? '修改' : '新增'"
      :visible.sync="dialogFormVisible"
      width="400px"
      :before-close="handleClose"
    >
      <el-form :model="form" ref="form" :rules="rules" label-width="100px">
        <el-form-item label="图片" prop="img" style="margin-bottom: 20px">
          <div
            @click="openFile"
            style="
              width: 100px;
              height: 100px;
              font-size: 32px;
              border: 1px dashed #ccc;
              text-align: center;
              line-height: 100px;
              opacity: 0.5;
              overflow:hiddrn;
            "
          >
            <img style="max-width:100%;max-height:100%" v-if="form.img" :src="form.img"/>
            <span v-else>+</span>
          </div>
          <input
            ref="file"
            style="display: none"
            type="file"
            multiple
            accept="image/*"
            @change="changeFile"
          />
        </el-form-item>
        <el-form-item label="标题" prop="title" style="margin-bottom: 20px">
          <el-input type="text" v-model="form.title"></el-input>
        </el-form-item>
        <el-form-item label="跳转地址" prop="url" style="margin-bottom: 20px">
          <el-input type="text" v-model="form.url"></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="type" style="margin-bottom: 20px">
          <el-select v-model="form.type" placeholder="请选择">
            <el-option
              v-for="type in types"
              :key="type.value"
              :label="type.label"
              :value="type.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="canle">取消</el-button>
        <el-button type="primary" @click="submit">确定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import api from '@/api'
export default {
  name: "shouyeCategoryEdit",
  components: {
    //HelloWorld
  },
  data() {
    return {
      dialogFormVisible: false,
      form: {
        _id: 0,
        img: "",
        type: "banner",
        url: "",
        title: "",
      },
      rules: {
        img: [{ required: true, message: "图片不能为空", trigger: "blur" }],
      },
      types: [
        { label: "轮播图", value: "banner" },
        { label: "分类区", value: "category" },
        { label: "为你推荐", value: "recommend" },
      ],
    };
  },
  methods: {
    add() {
      //初始化
      this.form = {
        _id: 0,
        img: "",
        type: "banner",
        url: "",
        title: "",
      };
      this.dialogFormVisible = true;
    },
    edit(row) {
      this.form = row;
      this.dialogFormVisible = true;
    },
    //触发文件打开 点击加号
    openFile() {
      let fileElement = this.$refs.file;
      fileElement.click();
    },
    //监听上传文件事件
    changeFile(e) {
      let files = e.target.files;
      let formData = new FormData();
      formData.append("file", files[0]);
      this.$http({
        url: "upload",
        method: "POST",
        data: formData,
      }).then((res) => {
        if(res.filename)this.form.img = api.baseURL+'/uploads/'+ res.filename
        console.log(this.form)
      });
    },
  //关闭弹窗前的回调
     handleClose(done) {
        this.$confirm('确认关闭？')
          .then(() => {
            this.$emit("load", this.form.indexId ? undefined : 1);
            done();
          })
          .catch(() => {

          });
      },
    //取消弹窗刷新列表
    canle(){
      this.dialogFormVisible = false;
      this.$emit("load", this.form.indexId ? undefined : 1);
    },
    submit() {
      this.$refs.form.validate((valid) => {
        if (valid) {
          this.form.indexId = this.form._id;
          this.$http({
            url: "/admin/index",
            method: this.form.indexId ? "PUT" : "POST", //通过indeid判断是新增还是编辑
            data: this.form,
          }).then((res) => {
            if (!res.errorMsg) {
              this.dialogFormVisible = false;
              this.$emit("load", this.form.indexId ? undefined : 1);
            }
          });
        }
      });
    },
  },
  created() {},
  mounted() {},
};
</script>

<style >
</style>
